Description:The Connectors are Gold-Plated with low resistance, and gives the best electric flow that hooks up brush-less motors to ESC.Specification:NameGold Connectors + Heat Shrinkable TubeMaterialMetal,NylonColorGoldMale Internal Diameter2mmMale Length14.5mmFemale Internal Diameter2.5mmFemale Length14.6mmHeat Shrinkable Tube10cmFeatures:1. Hook up RC battery to electronic.2. Hook up brush-less motor to electronic speed control.3. Low resistance,and gives the best electric flow.4.Used for connections between an electronic speed controller and a brush-less motor, fitted in remote control cars, helicopters, planes, quad-copter and boats.Package Includes:10 x Banana Male Connectors10 x Banana Female Connectors2 x Red heat-shrink Tube2 x Black heat-shrink Tube